Zvigadzirwa zveAlumina, zviumbwa zvesilicon carbide uye zirconia

Alumina ceramic iri nyore kushandisa, yakakura mukugadzira tekinoroji, inodhura zvishoma, yakasimba pakuomarara uye kuramba kupfeka. Inonyanya kushandiswa mumapaipi eceramic asingapedzi, mavharuvhu asingapedzi sezvinhu zve lining, uye inogona zvakare kusungirirwa nema stud kana kunamirwa kumadziro emukati mezvishandiso zvekuparadzanisa zvakaita se industrial vertical mill, powder concentrator uye cyclone, izvo zvinogona kupa kuramba kupfeka pamusoro pechishandiso kagumi. Muzvinhu zvisingapedzi, musika wezvinhu zve alumina unogona kusvika 60% ~ 70%.

Chinhu chinonyanya kukosha cheSiC ceramic material ndechekudzivirira kupisa kwakanyanya. Kana zvinhu zvanyanya kupisa, zvine hunhu hwakagadzikana hwemakanika uye zvinogona kushandiswa zvakatsiga pa1800 ℃ kwenguva yakareba. Chechipiri ndechekuti silicon carbide material inogona kushandiswa kugadzira zvigadzirwa zvikuru zvine deformation diki. Inonyanya kushandiswa muindasitiri yesimende inoturika preheater, ceramic nozzle isingatsvedzeri kupisa kwakanyanya, coal falling pipe uye high-temperature conveying pipe yeindasitiri yemagetsi ekupisa. Semuenzaniso, nozzles dzezvinotsva muzvivakwa zvemagetsi ekupisa zvakagadzirwa nesilicon carbide, uye zvigadzirwa zvine hunhu hwekupisa kwakanyanya uye kusatsvedza. Nzira dzekupisa dzesilicon carbide ceramics dzinosanganisira reaction sintering uye pressureless sintering. Mutengo we reaction sintering wakaderera, zvigadzirwa hazvina kusimba, uye density yezvigadzirwa zve vacuum sintering zvisina kusimba yakanyanya. Kuoma kwezvigadzirwa kwakafanana nekwezvigadzirwa zvealumina, asi mutengo wazvo wakakwira zvakanyanya.

Kudzivirira kukotama kwezvinhu zveceramic zvezirconia kuri nani pane kwezvinhu zvisina kusimba. Mutengo wepamusika wezirconia powder unodhura zvakanyanya, unonyanya kushandiswa muminda yepamusoro-soro, senge zvinhu zvemazino, mapfupa ekugadzira, zvishandiso zvekurapa, nezvimwewo.


Nguva yekutumira: Gumiguru-03-2020
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